[PATCH V3 1/2] mm: Update generic gup implementation to handle hugepage directory

[Andrew Morton]

On Tue, 28 Oct 2014 12:20:29 +1100 Michael Ellerman <mpe at ellerman.id.au> wrote:

> On Mon, 2014-10-27 at 16:06 -0700, Andrew Morton wrote:
> > On Sat, 25 Oct 2014 16:14:19 +0530 "Aneesh Kumar K.V" <aneesh.kumar at linux.vnet.ibm.com> wrote:
> > 
> > > Update generic gup implementation with powerpc specific details.
> > > On powerpc at pmd level we can have hugepte, normal pmd pointer
> > > or a pointer to the hugepage directory.
> > 
> > I grabbed these.  It would be better if they were merged into the powerpc
> > tree where they'll get more testing than in linux-next alone.
>  
> Fine by me. Can I get an ack from you and/or someone else on CC?
> 

Only arm and arm64 use this code.  Steve, could you please look it over
and check that arm is still happy?